thanks for the replys WHAT IS THAT FOOD? it isnt def kidney gravel yet but a vet said that it may be! he had a wee on a lid for a washing basket his wee looks normal (yellow, total liquidy smells normall) we bought some tablets from the pet store (vet licenced) he has 1 twice a day he is a total star when i give them to him i just open his mouth put it in the back of his mouth hold his head up and he will swallow! so he may not have to keep having operations? if the food wil stop that i will get some with my money is it expensive? idk if i could pay for all of it (i only get 2.50 a week from pocket money) but i may have enough at the mo please any reply i would be greatfull what is that food again plz?!?!?!?!?!?!?